Armatures | VALVECO SK

Názov produktu

P57 217 540 PN40

Technický popis
Nadzdvihovacia páka slúži na preskúšanie činnosti za prevádzky.V telese je zavalcované sedlo, na ktoré dosadá uzatváracia kuželka. Kuželka je pritlačovaná do sedla tlačným hrotom. Silu vyvíja pružina. Ventil pracuje samočinne pod tlakom pracovnej látky na kuželku. Smer prúdenia pracovnej látky je zdola pod kuželku. Výstup je vo vodorovnom smere.
Materiál
Teleso a kryt sú z uhlíkovej ocele, poklop je zo sivej liatiny. Kuželka, sedlový krúžok a vodiace púzdro sú z korózievzdornej ocele.
Montáž
Na vodorovné potrubie v kolmej polohe s prívodom pracovnej látky zo spodu. Smer prúdenia je určený šípkou na telese.
Použitie
Slúži ako bezpečnostný orgán, ktorý istí tlakové nádoby proti nedovolenému stúpaniu prevádzkového tlaku. Používa sa na vodnú paru a vzduch. Na zvláštnu požiadavku aj pre iné neagresívne prevádzkové látky. (Nie je vhodný pre kvapaliny) Rozsah nastaviteľnosti otváracích pretlakov je od 0,1Mpa do PMAX podľa tabuľky rozmerov.

Tabuľka rozmerov:

DN	D	D'	d0	L1	L2	V	D1	D2	D3	a	f
25	25	40	20	100	105	405	115	85	68	18	2
40	40	65	32	120	130	560	150	110	88	18	3
50	50	80	40	125	145	585	165	125	102	20	3
65	65	100	50	145	150	705	185	145	122	22	3
80	80	125	63	170	180	810	200	160	133	24	3
100	100	150	80	210	200	950	235	190	158	24	3
125	125	200	100	250	230	1100	270	220	184	26	3
150	150	250	125	290	270	1200	300	250	212	28	3

DN	d	n	D1 '	D2'	D3'	a'	f'	d'	n'	Pmax	kg
25	14	4	150	110	88	18	3	18	4	4,00	17
40	18	4	185	145	122	18	3	18	4	4,00	25
50	18	4	200	160	133	20	3	18	8	4,00	32
65	18	8	220	180	158	20	3	18	8	3,75	47
80	18	8	250	210	184	22	3	18	8	3,80	67
100	22	8	285	240	212	22	3	22	8	4,00	97
125	26	8	340	295	268	24	3	22	12	3,10	118
150	26	8	405	355	320	26	3	26	12	1,80	180

Tabuľka použitia:

Teplota°C	Tlak MPa
200	4,0
300	3,2
400	2,5

Slúži ako bezpečnostný orgán, ktorý istí tlakové nádoby proti nedovolenému stúpaniu prevádzkového tlaku. Používa sa na vodnú paru a vzduch. Na zvláštnu požiadavku aj pre iné neagresívne prevádzkové látky. (Nie je vhodný pre kvapaliny) Rozsah nastaviteľnosti otváracích pretlakov je od 0,1Mpa do PMAX podľa tabuľky rozmerov.

P10 237 616 PN16 Ventil poistný pružinový nízkozdvižný nátrubkový

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